package com.in28minutes.login;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;

@Controller
public class LogoutController {

    @GetMapping("/logout")
    public String logout(HttpServletRequest request, HttpServletResponse response) {
        Authentication auth = SecurityContextHolder.getContext()
                .getAuthentication();

        if (auth != null) {
            new SecurityContextLogoutHandler().logout(request, response, auth);
            request.getSession().invalidate();
        }
        return "redirect:/";
    }
}
